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1.7.2
PCI Express x16 Graphics
The Intel Core i7, Intel Core i5, Intel Core i3, and Intel Pentium processors in an
LGA1155 socket support discrete add in graphics cards through the PCI Express 2.0
x16 graphics connector:
Supports PCI Express GEN2 frequency of 2.5 GHz resulting in 5.0 Gb/s each
•
direction (500 MB/s) per lane. Maximum theoretical bandwidth on interface is
8 GB/s in each direction, simultaneously, when operating in x16 mode.
Supports PCI Express GEN1 frequency of 1.25 GHz resulting in 2.5 Gb/s each
•
direction (250 MB/s) per lane. Maximum theoretical bandwidth on interface is
4 GB/s in each direction, simultaneously, when operating in x16 mode.
For information about
PCI Express technology
1.8
USB
The board supports up to ten USB 2.0 ports. The port arrangement is as follows:
Four USB 2.0 ports are implemented with stacked back panel connectors (black)
•
Six USB 2.0 front panel ports are implemented through three dual-port internal
•
headers
All 10 USB ports are high-speed, full-speed, and low-speed capable.
NOTE
Computer systems that have an unshielded cable attached to a USB port may not meet
FCC Class B requirements, even if no device is attached to the cable. Use a shielded
cable that meets the requirements for full-speed devices.
For information about
The location of the USB connectors on the back panel
The location of the front panel USB headers
Product Description
Refer to
http://www.pcisig.com
Refer to
Figure 9, page 41
Figure 10, page 42
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